3-92 Phaser 7500 Printer Service Manual
Error Messages and Codes
SMH Size Mismatch
The paper size in Tray 1 and the paper size specified for printing are
different.
Applicable Chain-Link Code
• 024-958: SMH Size mismatch
Initial Actions
• Inspect the tray to ensure that it is free of obstructions, is loaded with
supported paper, and the Guides are adjusted correctly.
• If the problem persists, follow the procedure below.
Troubleshooting Reference
Applicable Parts Wiring and Plug/Jack Map References
■ “Tray 1 (MPT)” on page 10-52
Troubleshooting Procedure
Step Actions and Questions Yes No
1 Is the A/D Value Range correct for
the size of paper loaded?
Does the Sensor change value?
Replace the
MCU PWB
(REP 18.12,
page 8-202).
Troubleshoot
and repair the
Sensor or
wiring harness.
Refer to the
Tray 1 (MPT)
wiring
diagram.
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